Grease gun



FIG. 1 is a front elevation view of a grease gun showing my new design;

FIG. 2 is a rear elevation view thereof;

FIG. 3 is a left side elevation view thereof;

FIG. 4 is a right side elevation view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a perspective view thereof;

FIG. 8 is another perspective view thereof; and,

FIG. 9 is another perspective view thereof.

The broken lines shown in the drawings are for the purpose ofillustrating portions of the grease gun that form no part of the claimeddesign.

CLAIM The ornamental design for a grease gun, as shown and described.